Embossing-press.



No. 735,830. PATENTED AUG. 11. 1903.

c. SEYBOLD.

EMBOSSING PRESS.

APPLICATION rum) mu'zs, 1902. I

no MODEL s sums-sum 1.

00 OO O0 Jnzenfar PATENTED'AUG. 11, 1903.

' G. SEYBOLD.

EMBOSSING PRESS.

APPLICATION FILED my 26, 1902.

a SHEETS-SHEET 2.

N0 MODEL.

PATENTED AUG. 11, 1903.

0. SEYBOLD. EMBOSSING PRESS. APPLICATION FILED MAY 26, 1902.

3 BEBETS-SHEET 3.

N0 MODEL.

775' neases no. 735,e3o.

Patented August 11, 1903 PATENT OFFICE."

CHARLES SEYBOLD,'OF DAYTON, OHIO.

EMBOSSlNG-PRESS.

SPECIFICATION forming part of Letters Patent No. 735,830, dated August11, 1903.

Application filed May 28,1902; Serial No. 109,116. (No model.)

T0 aZZ whom it may concern.-

Be it known that I, CHARLES SEYBOLD, a citizen of the United States,residing at Dayton, county of Montgomery, and State of Ohio, haveinvented certain new and useful Improvements in Embossing-Presses, ofwhich the following is a full, clear, and exact description, referencebeing had to the accompanying drawings, forming part of thisspecification.

My improvements relate to a device for automatically feeding sheets ofpaper to be embossed to the dies and simultaneously removing the sheetpreviously embossed, so that two sheets are fed simultaneously, the oneinto and the other out of the machine, the embossed sheet being merelycarried out and dropped, while the fresh sheet is carried in, held inexact position while being embossed, then pulled off the dies, when itis picked up and carried out of the machine as a fresh sheet isdelivered thereto.

The essential features of my improvements consist of a travelingcarriage with a double set of nippers, the one set of nippe rs graspinga new sheet as the other set grasp the sheet already embossed, thetraveling carriage and nippers being automatically actuated to travel inwith one sheet and outwith the other, then to hold the sheet to beembossed in exact position while acted upon, and to pull it from thedies after the embossing.

I have illustrated my improvements as applied to a well-known form ofembossingpress in which the platen is raised by a double set oftoggle-levers; but it will of course be understood that my feedingdevices, with their actuating mechanism, can be applied to any of thewell-known constructions of embossing-presses.

In the drawings, Figure 1 is a side elevation of the embossing-presswith myimprovements attached. Fig. 2 is a central vertical section ofsame. Fig. 3 is a top planview of the traveling carriage. "Fig.4 is asectional side elevation taken on the lines 4 4 of Fig. 3. Fig. 5 is aside elevation of the traveling carriage.

A is a substantial and massive base for carrying the working parts ofthe press, upon which are mounted the four uprights B,which carry thesolid and massive heated plate 0 of the press.

D is the platen, which is raised and lowered by the double set oftoggle-levers E E and F F.

G is the driving-shaft of the press, carrying the pinion H, which mesheswith the intermediate gear I, carrying the pinion L. This pinion mesheswith the gear M on the shaft N, which shaft carries the cam P, and asthe shaft M is rotated this cam contacts with the roller R, mounted onthe knuckle of the togleg-levers F F, and in this way the platen D israised for the embossing by the straightening out of the double sets oftoggles.

This brief description will probably be allthat is necessary to makeclear the operation of the press proper.

For the purpose of automatically feeding the sheets to be embossed tothe press, holding the sheet in position, and then removing it from thepress at the same time that a new sheet is fed thereto I provide asfollows: Se curely bolted to the side frame of the machine and extendingback rearwardly on each side are the backets or arms S. Mounted on thesebrackets, one above and two below, are the flanged guide and supportingrollers a b b, the upper rollers at having a spring mounted between thejournal-bearing and the spindle of the roll, so that they arespring-pressed downward. Guided and supported by these rollers arerack-bars T T, which rack-bars, with the cross-bars c d e, form a truckor carriage arranged to travel to and from the embossing-press, ashereinafter described. The lower set of guide-rollers b b are providedwith teeth or pins to mesh with the teeth of the rack-bars to guide themmore effectually, while the flanges of the three rollers a b b on eachside, embracing the top and bottom of the rack-bars, keep the travelingcarriage in perfect alinement. Mounted on the shaft U, journaled in theframe of the machine, are the sector-gears V V, which seetors mesh withthe rack-bars T T, and with the oscillation of the sectors the travelingcarriage is given its reciprocating motion. The shaft U also carries thepinion W, which meshes with rack-bar Y, provided with the yoke c, whichembraces a square block on the shaft M, and is also provided with theguide-block (Z in order to steady the movement of this rack-bar. Thelower end of the yoke c of the rack-bar Y carries the roller 6', whichengages the cam A, mounted on the inner face of the gear M. As this camA is rotated in the direction of the arrow in the position shown in Fig.1 the movement of the cam will draw down the rack-bar Y, rotate thesectors V, and carry the traveling carriage out from under the dies ofthe embossing-press. From the pointf to the point g on the cam A theoperating-surface of the cam is a true circle, so that while the cam ismoving between these points the traveling carriage will remainstationary without the press. The surface of the actuating-cam is raisedslightly between gand it, so that when the roller e reaches the point 9on the camsurface the rack-bar Y will be drawn down a slight distancefarther to shift the carriage slightly outward, and when the roller 6reaches the point h on the cam-surface the traveling carriage will be ina position to be drawn back under the dies of the embossingpress. Thisback movement is accomplished by the coiled springs B, which are securedat one end to the base of the machine and are attached at the other endto the chains C, secured to the sprockets D, mounted on the shaft U. Asthe shaft U was rotated to carry the traveling carriage from without thepress this chain 0 has wound up on the sprocket D and extended thecoiled spring B, so that as soon as the roller e reaches the inclinedsurface of the cam the coiled springs B rerotate the shaft U in theopposite direction to carry the rack-bars T T back to their originalposition.

It will be noticed that the mechanism for actuating the travelingcarriage is arranged so that the positive movement of theconnectinggears carries the carriage out from under the press, while itis returned by the action of the coiled springs, so that if the coiledsprings should break or fail to work no damage could result, whereas ifthe movements were reversed and the coiled springs were relied upon todraw the carriage out from under the press any failure of these springsto work properly would result in a destruction of the mechanism. Anotheradvantage of using the springs to return the carriage to the press isthat these springs take up the lost motion and wear of the parts, sothat by maintaining the springs under proper tension we have propercompensation for all wear.

The bars e d of the traveling carriage form theupper nipper-bars for thenippers Z Z m m. These nippers Z m are mounted on the oscillat ingrodsnp, which are journaled in the rackbars T T, and the nippers are normallyheld closed by the coiled springsrs, mounted on the oscillating rods up,with one end of these coiled springs bearing against a lug on therack-bar and the other end against pins t u, secured on the oscillatingrods at p, the ends of which pins pass through slots 1) w in therack-bar. The ends of these pins come in contact with their respectiverollers y a, which are mounted in a fixed position on the bracket-armsS, and raise up the pins to oscillate the rods n 19 and open up thenippers Z 011. As soon as the nippers are opened they are held open bythe locking devices b c, secured to the inner face of the other rackbar'1. These looking devices consist of the beveled springpressed latches de, which engage under the knuckles f g, secured to the oscillating rodsn p at the proper point. These latches d e carry the pins 71, Z, whichat the proper point engage with lugs m 01', secured to the frame, andthe latches are released to allow the nippers to close under the actionof their respective coiled springs r s.

The operation of the device is asfollows: With the traveling carriage inthe position shown in Fig. 1 and both sets of nippers Zm open thecarriage has not reached the con1- pletion of its instroke, the pins 7iZ being just in contact with the lugs m m. The completion of theinstroke under the action of the coiled springs B will release thelatches and allow the nippers to close against their respectivenipper-bars, while the closing position of the nippers is such as tograsp for the set Z a new sheet of paper fed to them from the table T,and the other set on will grasp the sheet that has just been embossedand which lies on the platen. In this position the roller 6 on theactuating-rack Y engages the cam A at the point t, and the movement ofthe cam will oscillate the shaft U to carry the traveling carriage withthe two sets of nippers grasping their respective sheets of paper, theone sheet into the press and the embossed sheet out therefrom. As soonas the rollerc reaches the pointfon the cam A during a half-rotation ofthe cam the traveling carriage will be held in fixed position, and thisposition is the exact position required for the embossing-dies. Theroller a is mounted in such position that just before the travelingcarriage reaches the position for the proper embossing of the sheet heldby the nippers Z the pin it on the other set of nippers will contactwith this roller to open the set of nippers m and allow theembossing-sheet to fall on the table R. The roller y, however, is solocated that the pin 6 has not quite reached this roller, while theroller 6 of the actuating-rack is running on the true circle of the cam.When the sheet held by the nippers Z has been embossed, the roller 6 hasreached the point g of the cam, and as it rides from the point 9 to hthe traveling carriage is thrown outwardly a slight distance sufficientto pull the embossingsheet from the dies, and then these nippers open bycontact of the pin 25 with the rollery and the embossing-sheet isdropped, with its edge extended slightly beyond the platen, so that atthe proper time it can be grasped by the other set of nippers m to bedrawn from the machine. Immediately after this slight outward pull ofthe nippers the roller e reaches the inclined surface of the cam and thecoiled springs carry back both sets of nippers to their originalposition ready to grasp their respective sheets.

It will be noticed that the nippers Z, with the fixed nipper-bar e, arelocated considerably higher than the nippers m, with their nipper-bar d,so that there is no interference of the two sets of nippers, and,moreover, the nipper-bar e is located at the proper position to hold thesheet to be embossed in a plane very close to the embossing plane of thepress.

Having thus described my invention, what I claim, and desire to secureby Letters Patent, is-

I. In an embossing-press, a movable frame mounted opposite the feed sideof the press,

two sets of nippers in fixed position thereon,

the one in advance of the other, the one set located to grasp a freshsheet, While the other is located to grasp the sheet just embossed, andmeans for actuating the frame to feed one sheet to the press with thedelivery of the other therefrom.

2. In an embossing-press, a movable frame mounted opposite the feed sideof the press, two sets of nippersin fixed position thereon, the one inadvance of the other, the one set located to grasp a fresh sheet, Whilethe other is located to grasp the sheet just embossed, and means foractuating the frame intermittently to feed two sheets of paper, oneinto, the other out of the press, to hold the fresh sheet while beingembossed and to pull it from the dies, substantially as described.

3. In an embossing-press, a movable frame mounted opposite the feed sideof the press, two sets of nippers in fixed position thereon, the one inadvance of the other, the one set located to grasp a fresh sheet, Whilethe other is located to grasp the sheet just embossed, mechanism foractuating the frame intermittentlyto feed two sheets of paper, one into,the other out of the press, to hold the fresh sheet while beingembossed, and to pull it from the dies, means for opening the nippers,and a spring to return the frame to its original position, substantiallyas described.

4. In an embossing-press, a reciprocating frame mounted opposite thefeed side of the press, with a set of nippers in fixed position thereon,a cam, with connecting mechanism for actuating said frame in the mannerset forth, whereby an intermittent stroke is imparted to saidframe, tofeed a sheet of paper to the press, to hold it while being embossed andto pull it from the dies, substantially as described.

5. In an embossing-press, a reciprocating frame mounted opposite thefeed side of the press, with a set of nippers in fixed position thereon,a cam with connecting mechanism for actuating said frame in the mannerset forth, whereby an intermittent stroke is imparted to said frame tofeed a sheet of paper to the press, to hold it while being embossed andto pull it from the dies, means for opening the nippers, and a spring toreturn the frame to its original position, substantially as described.

6. In an embossing-press, a traveling carriage, with nippers mountedthereon, racks on said carriage, a driving-gear with cam, a rack-bar,with roller contacting with said cam, pinion engaging said rack-bar,shaft upon which the pinion is mounted, said shaft carrying sectors toengage the racks of said traveling carriage, and springs acting on saidreciprocated as desired, substantially as described.

8. In an embossing-press, a traveling carriage, with mechanism foractuating same intermittently, two fixed bars, the one in advance of theother, and two oscillating rods, the latter carrying fingers tocooperate with said fixed bars to form nippers, springs to hold saidnippers closed, and latches to hold them open, with lugs on thepress-frame to contact with said oscillating rods, and said latches,whereby the nippers may be closed and opened at'the position desired,substantially as described.

CHARLES SEYBOLI).

Witnesses:

FRANK H. HERBST, EDM. O. LINXWEILER.

